Oven



FIG. 1 is a perspective view of an oven showing my new design;

FIG. 2 is a perspective view of an oven showing my new design;

FIG. 3 is a perspective view of an oven showing my new design;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a front elevational view thereof; and,

FIG. 9 is a left side view thereof.

The broken lines shown in the drawings depict portions of the oven that form no part of the claimed design. 

CLAIM The ornamental design for an oven, as shown and described. 